New York Laws
Article 4-A - Acquisition of Land for Public Defense
59-F - Concurrent Jurisdiction as to Service of Process.

§ 59-f. Concurrent jurisdiction as to service of process. The
jurisdiction so ceded shall be upon the express condition that the state
of New York shall retain concurrent jurisdiction with the United States
on and over the property and premises so conveyed, so far as that all
civil and criminal process, which may issue under the laws or authority
of the state of New York, may be executed thereon in the same manner as
if such jurisdiction had not been ceded, except so far as such process
may affect the real or personal property of the United States.

Structure New York Laws